理解功率因数校正PFC - 开关电源应用 Bipolar power diodes for Switch Mode Power Supplies Understanding PFC - SMPS applications What is Power Factor Correction (PFC) PFC benets It can be dened as the reduction of the harmonic content, Fully compliant with regional regulations imposing and/or the aligning of the phase angle of incoming current restrictions on power factor and total harmonic distortion PFC is required to reduce disturbance on the AC distribution (THD) in high-power applications (>75W), including: net and maximize the real power drawn by the power supply - CCC or ‘3’C i……